问题
单项选择题 A1型题
胚胎造血最旺盛的时期是（）
A.胚胎第6～8周
B.胚胎第8～12周
C.胎儿期4～5个月
D.胎儿期6～7个月
E.胎儿期8～9个月
答案
参考答案：C
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胚胎造血最旺盛的时期是（）
A.胚胎第6～8周
B.胚胎第8～12周
C.胎儿期4～5个月
D.胎儿期6～7个月
E.胎儿期8～9个月
参考答案：C
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| In Mr. Allen's school class, all the students have to "get married". However, the wedding 1 sometimes become so noisy that the loud laughter drowns out the 2 of the "minister". Even the two students getting married often begin to laugh. The teacher, Mr. Allen, believes that marriage is a difficult and serious business. He wants young people to understand that there are many changes that must take place after marriage. He believes that the 3 for these psychological and financial changes should be understood before people marry. Mr. Allen doesn't only introduce his students to main problems faced in marriage such as illness or being out of work. He also 4 them to the difficult and particular problems they will face every day. He wants to introduce young people to all the worries that can bring the 5 point to a marriage. He even makes his students know the problems of 6 and the fact that divorced men must pay child support money for their children and sometimes pay their wives every month. It has been unsettling for some of the students to see the problems that a 7 couple often faces. 8 they took the course, they had not worried much about the problems of marriage. However, both students and parents feel that Mr. Allen's course is 9 and have favored the course publicly. Their statements and letters supporting the class have asked the school to 10 the course again. | ||||
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